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c6591c0f49
modify the prototype of up_putc(): remove the return value
The architecture code does not care about the return value of up_putc(), so removing it saves two statements:
Before: After:
de4c: e52de004 push {lr} @ (str lr, [sp, #-4]!) | de4c: e52de004 push {lr} @ (str lr, [sp, #-4]!)
de50: e24dd014 sub sp, sp, #20 | de50: e24dd014 sub sp, sp, #20
de54: e58d0004 str r0, [sp, #4] | de54: e58d0004 str r0, [sp, #4]
de58: e30030f8 movw r3, #248 @ 0xf8 | de58: e30030f8 movw r3, #248 @ 0xf8
de5c: e3423000 movt r3, #8192 @ 0x2000 | de5c: e3423000 movt r3, #8192 @ 0x2000
de60: e58d300c str r3, [sp, #12] | de60: e58d300c str r3, [sp, #12]
de64: e59d1004 ldr r1, [sp, #4] | de64: e59d1004 ldr r1, [sp, #4]
de68: e59d000c ldr r0, [sp, #12] | de68: e59d000c ldr r0, [sp, #12]
de6c: ebfffe66 bl d80c <pl011_putc> | de6c: ebfffe66 bl d80c <pl011_putc>
de70: e59d3004 ldr r3, [sp, #4] | de70: e28dd014 add sp, sp, #20
de74: e1a00003 mov r0, r3 | de74: e49df004 pop {pc} @ (ldr pc, [sp], #4)
de78: e28dd014 add sp, sp, #20 |
de7c: e49df004 pop {pc} @ (ldr pc, [sp], #4) |
Signed-off-by: chao an <anchao@lixiang.com>
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| .. | ||
| 1wire | ||
| aie | ||
| analog | ||
| audio | ||
| bch | ||
| can | ||
| clk | ||
| contactless | ||
| coresight | ||
| crypto | ||
| devicetree | ||
| dma | ||
| dummy | ||
| eeprom | ||
| efuse | ||
| i2c | ||
| i2s | ||
| i3c | ||
| input | ||
| ioexpander | ||
| ipcc | ||
| lcd | ||
| leds | ||
| loop | ||
| math | ||
| misc | ||
| mmcsd | ||
| modem | ||
| motor | ||
| mtd | ||
| net | ||
| note | ||
| pci | ||
| pinctrl | ||
| pipes | ||
| power | ||
| rc | ||
| regmap | ||
| reset | ||
| rf | ||
| rmt | ||
| rpmsg | ||
| rptun | ||
| segger | ||
| sensors | ||
| serial | ||
| spi | ||
| syslog | ||
| thermal | ||
| timers | ||
| usbdev | ||
| usbhost | ||
| usbmisc | ||
| usbmonitor | ||
| usrsock | ||
| vhost | ||
| video | ||
| virtio | ||
| wireless | ||
| .gitignore | ||
| CMakeLists.txt | ||
| drivers_initialize.c | ||
| Kconfig | ||
| Makefile | ||